Anonymous - Gerald Cremonensis On Astrological Geomancy
Franz Hartmann - The Principles of Astrological Geomancy
Sepharial - The Astrological Ready Reckoner
Order of Nine Angles - O9A in Historical, and Esoteric Context
Saint Yves D'Alveydre - Nos Maitres (1910,in French)
Aleister Crowley - Magick Without Tears
